Q: Is 187,839 a Prime Number?
A: No, 187,839 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 187839 can be evenly divided by 1 3 9 27 81 243 773 2,319 6,957 20,871 62,613 and 187,839, with no remainder.
Since 187,839 cannot be divided by just 1 and 187,839, it is not a prime number.